package com.otitan.forest.right.util;

import java.io.*;
import java.nio.charset.Charset;
import java.util.Enumeration;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;

/**
 * @Description: java类作用描述
 * @Author: jiachangsen
 * @CreateDate: 2020/08/13 15:50
 * @UpdateUser: jiachangsen
 * @UpdateDate: 2020/08/13 15:50
 * @UpdateRemark: 修改内容
 * @Version: 1.0
 */
public class ZipUtil {
    /**
     * 解压到指定目录
     */
    public static void unZipFiles(String zipPath, String descDir) throws IOException {
        unZipFiles(new File(zipPath), descDir);
    }

    /**
     * 解压文件到指定目录
     */
    public static void unZipFiles(File zipFile, String descDir) throws IOException {
        File pathFile = new File(descDir);
        if (!pathFile.exists()) {
            pathFile.mkdirs();
        }
        //解决zip文件中有中文目录或者中文文件
        ZipFile zip = new ZipFile(zipFile, Charset.forName("GBK"));
        for (Enumeration entries = zip.entries(); entries.hasMoreElements(); ) {
            ZipEntry entry = (ZipEntry) entries.nextElement();
            String zipEntryName = entry.getName();
            InputStream in = zip.getInputStream(entry);
            String outPath = (descDir + zipEntryName).replaceAll("\\*", "/");
            ;
            //判断路径是否存在,不存在则创建文件路径
            File file = new File(outPath.substring(0, outPath.lastIndexOf(File.separator)));
            if (!file.exists()) {
                file.mkdirs();
            }
            //判断文件全路径是否为文件夹,如果是上面已经上传,不需要解压
            if (new File(outPath).isDirectory()) {
                continue;
            }
            //输出文件路径信息
            System.out.println(outPath);
            OutputStream out = new FileOutputStream(outPath);
            byte[] buf1 = new byte[1024];
            int len;
            while ((len = in.read(buf1)) > 0) {
                out.write(buf1, 0, len);
            }
            in.close();
            out.close();
        }
        System.out.println("******************解压完毕********************");
    }


    public static void  zipFiles(List<String> filePaths, String descDir){

    }

    public static void main(String[] args) throws IOException {
        /**
         * 解压文件
         */
        File zipFile = new File("C:\\Users\\jiachangsen\\Desktop\\aaa\\shp.zip");
        String path = "C:\\Users\\jiachangsen\\Desktop\\aaa\\ccc";
        unZipFiles(zipFile, path);
    }
}
